d3ad1ypr3d1t3rX d3ad1ypr3d1t3rX
  • 20-10-2018
  • Mathematics
contestada

3ab - 9ab + 7ab need help

Respuesta :

Raiz
Raiz Raiz
  • 20-10-2018

Answer:

[tex]1ab[/tex] or just [tex]ab[/tex].

Step-by-step explanation:

This is a problem where all you have to do is combine like terms.

[tex]3ab-9ab+7ab[/tex]

Subtract [tex]9ab[/tex] from [tex]3ab[/tex] first.

[tex]3ab - 9ab = -6ab[/tex]

Then, add [tex]7ab[/tex].

[tex]-6ab + 7ab = 1ab[/tex], or just [tex]ab[/tex].

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